For those of you wanting to be more energy-efficient, some interesting results on those "micropower" (home-sized) wind turbines they're selling in hardware stores (such as B&Q in the UK).

BBC article
Tim Hunkin article

Obviously if you're somewhere with no power at all, then anything you can get is good. But if you're trying to improve your energy efficiency, it looks like the way to be most efficient is not to waste resources on a wind turbine. Or if you are going to do it, then build your own from existing scrap materials.

But to be honest, if even Tim Hunkin can't make it work, what hope for the rest of us...?

Graham.